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Surface waves on a metal nanosphere are described in terms of quantum electrodynamics. The interaction of surface waves with a quantum oscillator is discussed in the dipole approximation. The increase in the spontaneous emission rate of the…

Optics · Physics 2013-01-23 A. M. Leontovich , V. V. Lidsky

We examine the effect of the Coulomb interaction on the mobility and diffusion of spin packets in doped semiconductors. We find that the diffusion constant is reduced, relative to its non-interacting value, by the combined effect of…

Strongly Correlated Electrons · Physics 2009-10-31 Irene D'Amico , Giovanni Vignale

A semiclassical nonlinear collisional drift wave model for dense magnetized plasmas is developed and solved numerically. The effects of fluid electron density fluctuations associated with quantum statistical pressure and quantum Bohm force…

Plasma Physics · Physics 2012-10-19 Alexander Kendl , Padma K. Shukla

We reported here the results of the calculations of wavevector dispersion of oscillations frequencies, $\omega'(k)$, and damping $\omega''(k)$ of the surface plasmon phonon polaritons (\mbox{SPPhP}) for the heavy-doped GaN sample. We showed…

Applied Physics · Physics 2020-02-14 V. V. Korotyeyev , V. Janonis , I. Kašalynas

We have performed three dimensional nonlinear fluid simulations of electron fluid turbulence at nanoscales in an unmagnetized warm dense plasma in which mode coupling between wave function and electrostatic potential associated with…

Plasma Physics · Physics 2009-11-13 Dastgeer Shaikh , P. K. Shukla

In this work we investigate a low dimensional semiconductor system, in which the light-matter interaction is enhanced by the cooperative behavior of a large number of dipolar oscillators, at different frequencies, mutually phase locked by…

A method is presented for calculating the frequencies of non-retarded surface plasmons propagating on a semi-inifinite medium with a surface profile described by a one-dimension quasiperiodic function. The profiles are generated, in analogy…

Condensed Matter · Physics 2007-05-23 J. Milton Pereira , G. A. Farias , R. N. Costa Filho

We investigate the low-energy scattering properties of two identical particles interacting via the polarized quadrupolar interaction. It is shown that a series of $s$- and $p$-wave resonances appear for identical bosons and fermions,…

Quantum Gases · Physics 2023-02-22 Fulin Deng , Wenxian Zhang , Su Yi

With recent experiments investigating the optical properties of progressively smaller plasmonic particles, quantum effects become increasingly more relevant, requiring a microscopic description. Using the density matrix formalism we analyze…

Mesoscale and Nanoscale Physics · Physics 2018-10-17 Alexandra Crai , Andreas Pusch , Doris E. Reiter , Lara Román Castellanos , Tilmann Kuhn , Ortwin Hess

The influence of the intrinsic spin of electrons on the propagation of circularly polarized waves in a magnetized plasma is considered. New eigenmodes are identified, one of which propagates below the electron cyclotron frequency, one above…

Plasma Physics · Physics 2015-05-19 A. P. Misra , G. Brodin , M. Marklund , P. K. Shukla

A nonlinear dispersion of a general stationary wave in collisionless plasma is obtained in a non-differential form from a single-particle oscillation-center Hamiltonian. For electrostatic oscillations in nonmagnetized plasma, considered as…

Plasma Physics · Physics 2015-05-28 I. Y. Dodin , N. J. Fisch

Recent high precision experimental data for heavy-ion fusion cross sections at energies in the vicinity of the Coulomb barrier systematically show that a strikingly large surface diffuseness parameter for a Woods-Saxon potential is required…

Nuclear Theory · Physics 2017-08-23 K. Hagino , M. Dasgupta , I. I. Gontchar , D. J. Hinde , C. R. Morton , J. O. Newton

The effects of charge exchange on waves propagating in weakly ionized plasmas are discussed. It is shown that for low-frequency processes, ions and neutrals should be treated as a single fluid with some effective charge on all of them. We…

Plasma Physics · Physics 2015-12-09 J. Vranjes , M. Kono , M. Luna

We take a closer look at the fundamental Casimir-Polder interaction between quantum particles and dispersive dielectric surfaces with surface polariton or plasmon resonances. Linear response theory shows that in the near field, van der…

Atomic Physics · Physics 2015-06-11 A. Laliotis , M. Ducloy

Compressible disturbances propagate in a plasma in the form of magnetoacoustic waves driven by both gas pressure and magnetic forces. In partially ionized plasmas the dynamics of ionized and neutral species are coupled due to ion-neutral…

Solar and Stellar Astrophysics · Physics 2015-06-17 Roberto Soler , Marc Carbonell , Jose Luis Ballester

We consider the effect of electromagnetic coupling between localized surface plasmons in a metallic nanoparticle (NP) and excitons or weakly interacting electron-hole pairs in a semiconductor matrix where the NP is embedded. An expression…

Mesoscale and Nanoscale Physics · Physics 2018-10-08 Rui M. S. Pereira , Joel Borges , Georgui V. Smirnov , Filipe Vaz , Mikhail I. Vasilevskiy

This article is concerned with statistics of addition spectra for systems of identical charged particles. A classical model is suggested in order to study fluctuations of Coulomb blockade peak spacings in large two-dimensional semiconductor…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Yshai Avishai , Daniel Berend , Richard Berkovits

We present a study of spin transport in charge and spin inhomogeneous semiconductor systems. In particular, we investigate the propagation of spin-polarized electrons through a boundary between two semiconductor regions with different…

Materials Science · Physics 2007-05-23 Dan Csontos , Sergio E. Ulloa

The spectrum of electromagnetic waves propagating in a strongly coupled magnetized fully ionized hydrogen plasma is found. The ion motion and damping being neglected, the influence of the Coulomb coupling on the electromagnetic spectrum is…

Plasma Physics · Physics 2009-10-31 I. M. Tkachenko , J. Ortner , V. M. Rylyuk

We present a theoretical study of the inelastic scattering of vortex electrons by a hydrogen atom. In our study, special emphasis is placed on the effects of the Coulomb interaction between a projectile electron and a target atom. To…

Atomic Physics · Physics 2024-12-12 S. Strnat , J. Sommerfeldt , A. K. Sahoo , L. Sharma , A. Surzhykov